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A101219
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Primes that are a concatenation of 3, 5 and a prime.
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6
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353, 3511, 3517, 3529, 3541, 3547, 3559, 3571, 3583, 35107, 35149, 35227, 35251, 35257, 35281, 35311, 35317, 35353, 35401, 35419, 35449, 35461, 35491, 35509, 35521, 35569, 35593, 35617, 35677, 35797, 35809, 35839, 35863, 35911, 35977
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OFFSET
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1,1
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LINKS
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EXAMPLE
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3511 is a prime concatenated from the primes 3, 5 and 11.
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MATHEMATICA
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Select[35*10^IntegerLength[#]+#&/@Prime[Range[200]], PrimeQ] (* Harvey P. Dale, Jan 23 2019 *)
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CROSSREFS
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KEYWORD
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nonn,base,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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